2457640701 has 12 divisors (see below), whose sum is σ = 3553758780. Its totient is φ = 1636657920.

The previous prime is 2457640681. The next prime is 2457640711. The reversal of 2457640701 is 1070467542.

2457640701 is a `hidden beast` number, since 2 + 4 + 5 + 7 + 640 + 7 + 0 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 726248601 + 1731392100 = 26949^2 + 41610^2 .

It is not a de Polignac number, because 2457640701 - 2¹¹ = 2457638653 is a prime.

It is a super-3 number, since 3×2457640701³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2457640711) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 138610 + ... + 155331.

It is an arithmetic number, because the mean of its divisors is an integer number (296146565).

Almost surely, 2^2457640701 is an apocalyptic number.

It is an amenable number.

2457640701 is a deficient number, since it is larger than the sum of its proper divisors (1096118079).

2457640701 is a wasteful number, since it uses less digits than its factorization.

2457640701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294876 (or 294873 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 2457640701 is about 49574.5973357323. The cubic root of 2457640701 is about 1349.4997142144.

The spelling of 2457640701 in words is "two billion, four hundred fifty-seven million, six hundred forty thousand, seven hundred one".